<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="login">
		用户名：<input type="text" name="username">
		密码：<input type="text" name="password">
		<input type="submit" name="login">
	</form>
</body>
</html>